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    				| 1. | A long sighted person has a distance ofdistinct vision of 1 m. Find the nature and thefocal length of the lens used by him to read abook 25 cm from the eye, using spectacles.(a) convex; 22.3 cm (b) concave; 2.5 cm(c) concave; 33.3 cm (d) convex; 33.3 cm | 
| Answer» option B is the correct answer b is the right answer b is the right answer option b is the correct answer of the given question Here option d is correct | |